141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/*
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* Copyright (c) 2001-2004, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: tfe-dump-drv.c,v 1.1 2006/06/17 22:41:27 adamdunkels Exp $
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*
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*/
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#include "contiki-net.h"
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#include "cs8900a.h"
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static void output(u8_t *hdr, u16_t hdrlen, u8_t *data, u16_t datalen);
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/* 00:0E:3A is the OUI of Cirrus Logic, 64:64:64 just means C64 */
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static const struct uip_eth_addr addr =
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{{0x00,0x0e,0x3a,0x64,0x64,0x64}};
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static const struct packet_service_state state =
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{
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PACKET_SERVICE_VERSION,
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output
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};
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EK_EVENTHANDLER(eventhandler, ev, data);
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EK_POLLHANDLER(pollhandler);
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EK_PROCESS(proc, PACKET_SERVICE_NAME ": TFE", EK_PRIO_NORMAL,
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eventhandler, pollhandler, (void *)&state);
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#include "tcpdump.h"
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#include <string.h>
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#include "ctk/ctk.h"
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#define DUMP_WIDTH 38
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#define DUMP_HEIGHT 20
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static struct ctk_window window;
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static char dump[DUMP_WIDTH * DUMP_HEIGHT];
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static struct ctk_label dumplabel =
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{CTK_LABEL(0, 0, DUMP_WIDTH, DUMP_HEIGHT, dump)};
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static void
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dump_packet(void)
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{
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memcpy(dump, &dump[DUMP_WIDTH], DUMP_WIDTH * (DUMP_HEIGHT - 1));
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tcpdump_print(&dump[DUMP_WIDTH * (DUMP_HEIGHT - 1)], DUMP_WIDTH);
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CTK_WIDGET_REDRAW(&dumplabel);
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}
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/*---------------------------------------------------------------------------*/
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LOADER_INIT_FUNC(tfe_dump_drv_init, arg)
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{
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arg_free(arg);
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ek_service_start(PACKET_SERVICE_NAME, &proc);
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}
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/*---------------------------------------------------------------------------*/
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static void
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output(u8_t *hdr, u16_t hdrlen, u8_t *data, u16_t datalen)
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{
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uip_arp_out();
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cs8900a_send();
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dump_packet();
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}
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/*---------------------------------------------------------------------------*/
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EK_EVENTHANDLER(eventhandler, ev, data)
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{
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switch(ev) {
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case EK_EVENT_INIT:
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case EK_EVENT_REPLACE:
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ctk_window_new(&window, DUMP_WIDTH, DUMP_HEIGHT, "TFE dump");
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CTK_WIDGET_ADD(&window, &dumplabel);
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ctk_window_open(&window);
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uip_setethaddr(addr);
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cs8900a_init();
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break;
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case EK_EVENT_REQUEST_REPLACE:
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ctk_window_close(&window);
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ek_replace((struct ek_proc *)data, NULL);
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LOADER_UNLOAD();
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break;
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case EK_EVENT_REQUEST_EXIT:
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ctk_window_close(&window);
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ek_exit();
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LOADER_UNLOAD();
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break;
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default:
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break;
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}
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}
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/*---------------------------------------------------------------------------*/
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EK_POLLHANDLER(pollhandler)
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{
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#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
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/* Poll Ethernet device to see if there is a frame avaliable. */
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uip_len = cs8900a_poll();
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if(uip_len > 0) {
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dump_packet();
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/* A frame was avaliable (and is now read into the uip_buf), so
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we process it. */
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if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
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uip_arp_ipin();
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uip_len -= sizeof(struct uip_eth_hdr);
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tcpip_input();
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} else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
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uip_arp_arpin();
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/* If the above function invocation resulted in data that
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should be sent out on the network, the global variable
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uip_len is set to a value > 0. */
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if(uip_len > 0) {
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cs8900a_send();
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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